diff --git a/arch/arm/boot/dts/rk3126.dtsi b/arch/arm/boot/dts/rk3126.dtsi
index e386490097bb..95b40e464034 100644
--- a/arch/arm/boot/dts/rk3126.dtsi
+++ b/arch/arm/boot/dts/rk3126.dtsi
@@ -47,3 +47,7 @@
 &cru {
 	compatible = "rockchip,rk3126-cru";
 };
+
+&optee {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/rk3128x.dtsi b/arch/arm/boot/dts/rk3128x.dtsi
index 732bc2e1a2b9..bb8743d266ab 100644
--- a/arch/arm/boot/dts/rk3128x.dtsi
+++ b/arch/arm/boot/dts/rk3128x.dtsi
@@ -239,6 +239,13 @@
 		};
 	};
 
+	firmware {
+		optee: optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+	};
+
 	timer {
 		compatible = "arm,armv7-timer";
 		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
diff --git a/arch/arm/boot/dts/rk312x.dtsi b/arch/arm/boot/dts/rk312x.dtsi
index 891a2842f68b..6243bc0b629e 100644
--- a/arch/arm/boot/dts/rk312x.dtsi
+++ b/arch/arm/boot/dts/rk312x.dtsi
@@ -258,6 +258,14 @@
 		};
 	};
 
+	firmware {
+		optee: optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+			status = "disabled";
+		};
+	};
+
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 865ab8d70221..f3b90abe70f2 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -226,6 +226,13 @@
 		};
 	};
 
+	firmware {
+		optee: optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+	};
+
 	psci {
 		compatible = "arm,psci-1.0", "arm,psci-0.2";
 		method = "smc";
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 91794a0e54b9..bd5128c71c95 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -272,6 +272,13 @@
 		};
 	};
 
+	firmware {
+		optee: optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;